Cover every aspect of dog's care, from walks, vet visits, and medication schedules. A dog walking contract should outline the dog walker's major responsibilities and the process for carrying those out.In this post, we cover what to include in a dog walking contract as well as best practices for collecting contracts and working with clients. You should have a standard dog walking contract that details your business relationship with the dog's owner. How to fill out the Let's Play Ruff LLC Dog Walking and Pet Sitting Agreement? 1. Read each section thoroughly. 2. South Philadelphian here. I'm just wondering how I'd go about selling my dog walking business (if that's possible). Have a pet care contract. A fully customizable dog walking contract template will provide you with everything you need for a basic contract.